Warp <war### [at] tagpovrayorg> wrote:
> I haven't looked at the solution. This is what I'm thinking:
>
> ...Thus the problem is reduced to calculating the trivial volume of a
> sphere of diameter of 6m, which should be something like pi*r^3*4/3 =
> pi*3^3*4/3 = pi*36.
>

Nice one, Warp. A good demonstration (to my mind) of problem-solving using
"reductio ad absurdum," if that's the properly-spelled phrase. In this case,
reducing the cylinder down to a radius of zero and thus eliminating it
altogether.

Ken W.

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